1. Department of Endocrinology and Diabetes, Uppsala University Hospital, Uppsala, Sweden.
2. Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
3. Clinical Epidemiology and Biostatistics, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.
4. Faculty of Medicine and Health, Örebro University Hospital, Örebro, Sweden.
5. Department of Surgery, Örebro University and University Hospital, Örebro, Sweden.
6. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
7. Department of Endocrinology, Metabolism and Diabetes; Stockholm, Sweden.
8. Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden.
9. Department of Endocrinology, Sahlgrenska University Hospital, Göteborg, Sweden.
10. Wallenberg Center for Molecular and Translational Medicine, Göteborg, Sweden.
11. ANOVA; Karolinska University Hospital, Stockholm, Sweden.
12. Department of Endocrinology, Skåne University Hospital, Malmö, Sweden.
13. Department of Clinical Sciences, Lund University, Lund, Sweden.